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WWZMDiB Sound Sensor Compatible with for Arduino DIY Detecting The Presence and Absence of Sound via a Microphone (10 Pcs)

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$7.99

$ 3 .99 $3.99

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About this item

  • Sound Sensor:Detecting the presence and absence of sound via a microphone (vibration principle)
  • Operating voltage 3.3V-5V
  • Adjustable Threshold: Built-in potentiometer to adjust detection intensity
  • Compatible with for Arduino AVR ARM PIC and other platforms


WWZMDiB Sound Sensor Compatible with for Arduino DIY Detecting the presence and absence of sound via a microphone (10 Pcs)


Wingsy
Reviewed in the United States on February 22, 2025
Transistor gain is not stabilized. With a change in temperature there will be a change in gain of the transistor and therefore a change in detection level. 2 resistors are needed. One from the transistor base to ground and another from the emitter to ground.
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